m = int(input())
a = list(map(int, input().split()))
all = 0
for n in a:
    d = dict()
    for i in range(2, int(n**0.5)+1):
        if n % i == 0:
            d[i] = 0
            while n % i == 0:
                n /= i
                d[i] += 1
    if n != 1:
        d[n] = 1

    xor = 0
    for b in d.values():
        xor ^= b % 3
    all ^= xor
print("Alice" if all else "Bob")